This shocking footage shows drug baron John Gilligan partying in prison with some of Ireland's most notorious criminals. A gang of murderers and drug dealers were filmed living it up inside Portlaoise - while they were meant to be paying for their heinous crimes.

The footage - which will be screened on the TV3 documentary Paul Williams: State of Fear, which continues tomorrow night at 10pm on TV3, shows former drug lord John Gilligan making the most of his time spent in Portlaoise prison.

The shocking footage which dates back to before 2006, shows Gilligan laughing, joking and dancing alongside some of Ireland’s most dangerous criminals.